1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10099ec5ed84cd5ec8aafc04ee67403f90f807a02d5edff6b051d1ea11773a93. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eda8ed1d-181c-46fb-b6c2-7cc1144858e5.json and https://artists.proofprofile.net/proofs/artist/eda8ed1d-181c-46fb-b6c2-7cc1144858e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3db6bcb002564e7d5c57cffa8a4ad798d8ea41cac78cbbf8ca82e260530d4d. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:27:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82330245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x609b28e326118898d9f26d9696fc5a066fd8abfb2312cc54cd5775f4b6b46015. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:37:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82330257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d279ad0b1da646fd06d5995de292497dad6512d032b65b10cef90a0911a91d. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2385038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2331ee996dcc7acfbcc52afbd0688bf6d0cec415f5f5859341bede189f83e03. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2319851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741d71987d1d72964d28508727fe9edd01d07f9306863d446dd5775c1ecc30c8. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2337400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68f0d09851b71c99d6772cea1d66da61cdeef3469213a524d463650df731dd1c. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2358257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1dce305b402902a3ed003fde5d96068c27d512cee415c6dbfd55b208499120. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2358258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa240085d5fbb510ac370334ccaff24439a2de4195c89c16d31092e81f11f2df7. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2358261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59eb68a2dcbe3eb6d749d9293ff6fa4ca177b4ac126cc4d2d91442f340d93758. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2358267.
UZOBUYA NINI MASKAND INSTRUMENTS (Special Version)
Mbulalali by Ntsukwazifani and Zimkhitha
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e14194ab57d198af7cd09c10aab08b328ff58dd7d26a7fc9666cbfdbd601322. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:48:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2492623.
KING EMJAY SA INSTRUMENTS(iseza ingoma) [Imfene kaloku]
BHASOBHA UMLILO INSTRUMENTS (Shune wendlovu)
KING_EMJAY-SA INSTRUMENTS (Special Version)
KINGEMJAYSA FT NTOZABANTU_UTHANDO NE MALI
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda95e6a6ad0d67129d4e0a786d60e06b1ed6673ef20c08b272923a9a35c4befb. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2431492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13814a6fa7b519d04163047e146e48df1016f73003550054d52c21b7feeef9d. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:30:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52470186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1c8822afbe7ba4d8050b4c364528c91a23d1b0224bcc163ebdddd2493e1f735. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFH2433816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05397c94ba66d3c7c36cf40839d475810cc94934081681660f073442414bc025. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFX2492885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab86d3c65b083efa3a036edc94d1d94a1b791b9e6c188c91054f6d9c5ab5192d. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82538892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbba83168c7232cd7cd00f9b0b619beaffdcedba9c9f28a1baa6cdec17355433. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52578919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997275b1b946d75b677dc49fe388a733fd2007182a0da8e9be53b47ecd1ae5af. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52578920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ffef83fd257b096b93657d862ef93b696a148e8b26f509bb0db9de63e0dbb3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52578921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f79212ed8b5640a17259a2c30aa22a72daf27bf3a0af4a4643dbefb6f7a1d3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2514545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9af90bb224e24faeb2143ae957da7997007f35be2f8564e9c00d788155b88b3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2514546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99b9c62a20b579722fd9cd94ef9c7d0f7489ded8a43c01f1be02f0b69f851782. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:30:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2514547.